No one likes someone who is too pushy. So how do you get what you want without damaging a relationship? Be assertive. Becky has specific examples of what productive assertiveness looks like and how you can practice it.
Purchase Becky's new book here: http://store.bobpikegroup.com/bk-creative-training-a-train-the-trainer-field-guide/
Podcast available on iTunes here: https://itunes.apple.com/us/podcast/creative-training-techniques/id862555469?mt=2
And on the web here: http://www.bobpikegroup.com/Resources/podcasts-and-videos